NIOBIUM (UNS R04200) – MTC
Niobium (UNS R04200) Sample MTC Certificate
Access a comprehensive, professionally formatted Material Test Certificate according to EN 10204-2004: 3.1 for Commercially Pure Niobium (ASTM B392 UNS R04200). Inspect the exact documentation your QA and engineering teams will receive with every Ananka Fasteners order.
What's Inside This Niobium MTC Certificate
This sample mill test certificate mirrors the rigorous QA documentation package standard for high-purity, refractory metal orders shipped from Ananka Fasteners Pvt Ltd.
- Full Traceability: Certified with TC No.: S66/26-27 and corresponding ASTM specifications.
- High-Purity Chemistry: Detailed breakdowns verifying the pure elemental state (>99.8%) with strictly controlled interstitial elements (Carbon, Nitrogen, Oxygen) and trace Tantalum to ensure peak refractory performance.
- Heat Treatment Verification: Verified Fully Annealed in a high-vacuum environment to prevent oxidation and embrittlement.
- Mechanical Properties: Comprehensive reporting of Tensile Strength (155.40 MPa), Yield Strength (95.60 MPa), Elongation (38.50%), and Hardness (85, 87, 86 HV) highlighting its excellent ductility.
- Quality Compliance: 100% visual inspection carried out and verified free from defects and radioactive contamination.
Live Preview: Niobium MTC Data
Review the standard parameters and layout before downloading the full document.
TC Number
S66/26-27
TC Date
30.06.2026
Material Spec
ASTM B392 UNS R04200 Type 1
Bar Shape / Size
Round Bar / 16 mm
Dimensions / Item
Hex Head Bolt M16-2P x 80 mm
Quantity
10.00 NOS
Chemical Composition %
| C | N | O | H | Ta | Fe | Si | W | Mo | Ti | Nb |
|---|---|---|---|---|---|---|---|---|---|---|
| 0.005 | 0.003 | 0.010 | 0.0010 | 0.05 | 0.005 | 0.005 | 0.01 | 0.01 | 0.01 | Rem |
| Max: 0.010 | Max: 0.010 | Max: 0.015 | Max: 0.0015 | Max: 0.10 | Max: 0.005 | Max: 0.005 | Max: 0.05 | Max: 0.02 | Max: 0.02 | Min: 99.8% |
Mechanical Properties
| TENSILE STRENGTH (Mpa) | YIELD STRENGTH 0.2% Offset (Mpa) | % ELONGATION (GL-50mm) | HARDNESS (HV) |
|---|---|---|---|
| 155.40 | 95.60 | 38.50 | 85, 87, 86 |
| Min: 125 | Min: 73 | Min: 25 | Max: 125 |
Standard References & Compliance
Our MTC certificates map to the demanding industrial standards for refractory fasteners. The test reports confirm compliance with As Per ASME/ASTM B392 UNS R04200 EDT. 2023 with respect to the tests carried out.
| Standard / Requirement | Confirmation on Certificate |
|---|---|
| Visual Inspection | 100% visual inspection carried out & found free from defects. |
| Safety Requirements | Material is free from radioactive contamination. |
| Weld Repairs | No weld repair Perform. |
| Dimensional Accuracy | All Dimensions are as per PO Specification. |
Certification Details
We confirm that above mentioned Items was Manufactured, Sampled, Tested and Inspected in accordance with the subjected Customer's Purchase Order and as applicable Drawings, Material Specifications, Codes & Standards and the results of the items have been determined to meet the users' requirements.
Documentation Standard
- EN 10204-2004: 3.1 Standard
- Free from radioactive contamination
- Certified ISO 9001: 2015 Company
Heat Treatments
- Fully Annealed (Recrystallized)
- Vacuum Heat Treatment to prevent Oxidation
Testing Conditions
- Chemical, Mechanical & hardness test carried at room temperature 25°C
- 100% visual inspection carried out
Technical FAQs — Niobium MTC Certificate
Why is Tantalum (Ta) strictly controlled on this MTC?
UNS R04200 is Reactor Grade, Commercially Pure Niobium. Because Niobium and Tantalum are found together in nature and have similar properties, separating them is difficult. For reactor-grade Niobium, the Tantalum level is strictly kept extremely low (typically < 0.10%) to optimize its nuclear cross-section and specific physical properties, which is carefully validated in the chemistry section.
What heat treatment methodology is tracked on this certificate?
Niobium is highly reactive to oxygen and nitrogen at elevated temperatures. Therefore, the MTC tracks a full Annealing process that must be done in a high vacuum or inert environment to maintain its purity, resulting in its exceptionally soft and highly ductile mechanical properties.
Are the materials free from radioactive contamination?
Yes, the document strictly states that the material is free from radioactive contamination and undergoes a 100% visual inspection to ensure it is free from defects.